72871801 has 8 divisors (see below), whose sum is σ = 74769408. Its totient is φ = 70980000.

The previous prime is 72871787. The next prime is 72871811. The reversal of 72871801 is 10817827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72871801 - 2⁵ = 72871769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72871811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36376 + ... + 38326.

It is an arithmetic number, because the mean of its divisors is an integer number (9346176).

Almost surely, 2^72871801 is an apocalyptic number.

It is an amenable number.

72871801 is a deficient number, since it is larger than the sum of its proper divisors (1897607).

72871801 is a wasteful number, since it uses less digits than its factorization.

72871801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903.

The product of its (nonzero) digits is 6272, while the sum is 34.

The square root of 72871801 is about 8536.4981696244. The cubic root of 72871801 is about 417.6891246368.

The spelling of 72871801 in words is "seventy-two million, eight hundred seventy-one thousand, eight hundred one".